Prince looks decent, but I'm reluctant to use anything that's not freedom 
software.

On Saturday, November 26, 2022 at 8:52:52 AM UTC-5 Håkon Wium Lie wrote:

> If you use Prince as the PDF generator, you can produce quite advanced 
> footnotes:
>
> https://css4.pub/2022/footnotes/
>
> Also, Prince supports sidenotes, aiming for the holy grail of Tufte-like 
> layout:
>
> https://css4.pub
> https://css4.pub/2022/sidenotes/
>
> To add the page number of the linked-to page (which was the original
> question), Prince supports the "target-counter" feature in CSS.
>
> https://www.princexml.com/doc/gen-content/
>
> This is often used to create ToCs:
>
> https://css4.pub/2022/toc/
>
> (Prince is a commercial product, but free for non-commercial use. I work 
> for the company.)
>
> Håkon Wium Lie haa...-EO96REbE7qRuMpJDpNschA@public.gmane.org www.wiumlie.no/en 
>
> > Thanks! Yeah injecting html in the intermediary document doesn't sound 
> very 
> > promising either (again, because the pages have to be built first before 
> > footnotes updated with page #s) so maybe I'll abandon weasyprint in this 
> > case, if this would be easy to do with a *Tex pdf engine. In that 
> case... 
> > how would one go about this? Would a lua filter be more capable with a 
> > different pdf engine or would a different mechanism be used?
> > 
> > On Saturday, November 26, 2022 at 5:28:31 AM UTC-5 Bastien Dumont wrote:
> > 
> > > The problem is that Pandoc does not produce the PDF document: it 
> produces 
> > > the intermediary HTML document that is processed by weasyprint to 
> produce 
> > > the PDF. So you cannot get page numbers in a Lua filter.
> > >
> > > However, you can inject raw HTML code in the intermediary file (or in 
> your 
> > > CSS) that will make weasyprint print the page numbers. The question is 
> > > whether such HTML code exists. It certainly would be possible to do 
> this if 
> > > you converted to PDF via LaTeX, ConTeXt or groff, but I don't know if 
> it is 
> > > possible via weasyprint.
> > >
> > > Le Friday 25 November 2022 à 04:33:05PM, user account a écrit :
> > > > Using pandoc with weasyprint pdf engine to turn the markdown files 
> from 
> > > a blog
> > > > (static site generator does the html conversion) into a pdf for 
> print.
> > > > 
> > > > Would it be possible, perhaps with a custom lua filter or some other 
> > > mechanism,
> > > > to add the page number of the linked-to page? The page numbers won't 
> be 
> > > known
> > > > until pandoc has already created the document, and I don't know 
> where in 
> > > 'the
> > > > pipeline' the lua filter intervenes compared to when the pages 
> exist...? 
> > > And
> > > > If the pages exist with their numbers earlier enough, is there an 
> object 
> > > or
> > > > something from which lua can get the page number?
> > > > 
> > > > I haven't found anything about page numbers in https://pandoc.org/
> > > > lua-filters.html#module-pandoc.utils ...am I looking in the wrong 
> place? 
> > > Can
> > > > anyone tell me anything about this?
> > > > 
> > > > It's an intimidating rabbit hole for me, particularly because I see 
> no 
> > > mention
> > > > of "page number" there in the docs, which makes it seem kinda 
> hopeless
> > > > actually. But maybe one of you know the way and could point me in 
> that
> > > > direction?
> > > > 
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> > > > To view this discussion on the web visit [2]
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> > > > 
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> > > > [2] 
> > > 
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